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凹

凹 — concave, hollow, sunken

Learn the correct stroke order for 凹 (concave), a 5-stroke kanji.

JLPT N1Secondary school5 strokes

Stroke Order

12345
Stroke 0 / 5
On'yomi (音読み)オウou
Kun'yomi (訓読み)くぼ.むkubomu、へこ.むhekomu、ぼこboko
Strokes5
Radical凵
Frequency#2206
Meaningsconcave, hollow, sunken

Step-by-Step Diagram

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2
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4
5

Try Writing It

Practice writing each stroke in the correct order and direction. Start from the green dot.

Draw stroke 1 of 5 — start from the green dot

Common Words

凹むへこむto be dented; to be indented; to yieldverb
凹凸おうとつunevenness; bumpiness; roughnessnoun
凹みくぼみhollow; cavity; dentnoun
凸凹でこぼこunevenness; roughness; ruggednessnoun

Usage & Examples

Usage Notes

The kanji 凹 (concave) is part of the secondary school kanji set and appears at JLPT N1 level. It has 5 strokes with radical 凵.

In newspaper frequency rankings, 凹 is #2206, making it a moderately common kanji.

Example Words in Context

凹むへこむ — to be dented; to be indented; to yield
凹凸おうとつ — unevenness; bumpiness; roughness
凹みくぼみ — hollow; cavity; dent

Practice Sheet

Trace then write on your own. Print this row as a PDF practice sheet.

Related Kanji

Same radical (凵)

凶villain出exit凸convex

Same reading

応apply皇emperor桜cherry往journey殴assault翁venerable old man旺flourishing

Frequently Asked Questions

How many strokes does 凹 have?

The kanji 凹 (concave) has 5 strokes. Watch the animation above to see the correct order.

What is the correct stroke order for 凹?

凹 follows the standard Japanese stroke order as taught in schools. Use the step-by-step diagram or the "Try Writing" tool above to practice each stroke in sequence.

What does 凹 mean?

凹 means: concave, hollow, sunken. On'yomi readings: オウ. Kun'yomi readings: くぼ.む, へこ.む, ぼこ.

What JLPT level is 凹?

凹 is a JLPT N1 kanji. This is an advanced kanji.